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Characterisation of crystallinity at the interface of ultrasonically welded carbon fibre PPS joints. / Koutras, N.; Amirdine, J.; Boyard, N.; Fernandez Villegas, I.; Benedictus, R.

In: Composites Part A: Applied Science and Manufacturing, Vol. 125, 105574, 01.10.2019.

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Koutras, N. ; Amirdine, J. ; Boyard, N. ; Fernandez Villegas, I. ; Benedictus, R. / Characterisation of crystallinity at the interface of ultrasonically welded carbon fibre PPS joints. In: Composites Part A: Applied Science and Manufacturing. 2019 ; Vol. 125.

BibTeX

@article{f72bc1df6d4e4a959b16f0a5260ed973,
title = "Characterisation of crystallinity at the interface of ultrasonically welded carbon fibre PPS joints",
abstract = "The influence of ultrasonic welding on the crystallinity degree at the welding interface of carbon fibre reinforced polyphenylene sulphide (CF/PPS) joints was investigated. Two sets of welding force and vibration amplitude were used, (1000 N, 86.2 μm) and (300 N, 52.8 μm), representing short and long welding times, respectively. The evolution of temperature with time at the centre of the joint overlap was recorded using thermocouples while the crystallinity degree of PPS was measured using differential scanning calorimetry (DSC). The cooling rate dependency of crystallinity was determined through fast scanning calorimetry (FSC) measurements. It was found that high force and high amplitude resulted in faster cooling rates and predominantly amorphous PPS, while low force and low amplitude resulted in slower cooling rates and yielded PPS of moderate crystallinity. It is suggested that the capability of PPS to crystallize despite the very fast cooling rates could be attributed to strain-induced crystallization during the welding process.",
keywords = "A. Thermoplastic resin, B. Thermal properties, D. Thermal analysis, E. Joints/joining",
author = "N. Koutras and J. Amirdine and N. Boyard and {Fernandez Villegas}, I. and R. Benedictus",
year = "2019",
month = oct,
day = "1",
doi = "10.1016/j.compositesa.2019.105574",
language = "English",
volume = "125",
journal = "Composites Part A: Applied Science and Manufacturing",
issn = "1359-835X",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Characterisation of crystallinity at the interface of ultrasonically welded carbon fibre PPS joints

AU - Koutras, N.

AU - Amirdine, J.

AU - Boyard, N.

AU - Fernandez Villegas, I.

AU - Benedictus, R.

PY - 2019/10/1

Y1 - 2019/10/1

N2 - The influence of ultrasonic welding on the crystallinity degree at the welding interface of carbon fibre reinforced polyphenylene sulphide (CF/PPS) joints was investigated. Two sets of welding force and vibration amplitude were used, (1000 N, 86.2 μm) and (300 N, 52.8 μm), representing short and long welding times, respectively. The evolution of temperature with time at the centre of the joint overlap was recorded using thermocouples while the crystallinity degree of PPS was measured using differential scanning calorimetry (DSC). The cooling rate dependency of crystallinity was determined through fast scanning calorimetry (FSC) measurements. It was found that high force and high amplitude resulted in faster cooling rates and predominantly amorphous PPS, while low force and low amplitude resulted in slower cooling rates and yielded PPS of moderate crystallinity. It is suggested that the capability of PPS to crystallize despite the very fast cooling rates could be attributed to strain-induced crystallization during the welding process.

AB - The influence of ultrasonic welding on the crystallinity degree at the welding interface of carbon fibre reinforced polyphenylene sulphide (CF/PPS) joints was investigated. Two sets of welding force and vibration amplitude were used, (1000 N, 86.2 μm) and (300 N, 52.8 μm), representing short and long welding times, respectively. The evolution of temperature with time at the centre of the joint overlap was recorded using thermocouples while the crystallinity degree of PPS was measured using differential scanning calorimetry (DSC). The cooling rate dependency of crystallinity was determined through fast scanning calorimetry (FSC) measurements. It was found that high force and high amplitude resulted in faster cooling rates and predominantly amorphous PPS, while low force and low amplitude resulted in slower cooling rates and yielded PPS of moderate crystallinity. It is suggested that the capability of PPS to crystallize despite the very fast cooling rates could be attributed to strain-induced crystallization during the welding process.

KW - A. Thermoplastic resin

KW - B. Thermal properties

KW - D. Thermal analysis

KW - E. Joints/joining

UR - http://www.scopus.com/inward/record.url?scp=85070399271&partnerID=8YFLogxK

U2 - 10.1016/j.compositesa.2019.105574

DO - 10.1016/j.compositesa.2019.105574

M3 - Article

AN - SCOPUS:85070399271

VL - 125

JO - Composites Part A: Applied Science and Manufacturing

JF - Composites Part A: Applied Science and Manufacturing

SN - 1359-835X

M1 - 105574

ER -

ID: 56197471